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0.250 g of a hydrocarbon known to contain carbon, hydrogen and oxygen was subject to complete combustion and produced 0.3664 g of CO2 and 0.1500 g of H2O. What is the empirical formula of this hydrocarbon?

The first step here is to determine the mass of C in CO 2 and the mass of H in H 2 O. This is done by dividing the relative atomic mass, Mr, by the relative molecular mass of the compound, M CO2 or M H2O , a...
JH
Answered by Joshua H. • Chemistry tutor
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1.5 g of hydrocarbon undergoes complete combustion to give 4.4 g of CO2 and 2.7 g of H2O. Given this data, what is the empirical formula of this hydrocarbon?

The first step here is to determine the mass of C in CO 2 and the mass of H in H 2 O. This is done by dividing the atomic mass by the molecular mass and then multiplying by the mass of compound produced. For...
JH
Answered by Joshua H. • Chemistry tutor
87937 Views

How do I approach a question where I need to analyse the effectiveness of a 20th century leader like President Johnson's presidency?

You need to set out the leader in question's initial aims and whether these aims were met in their policies. Make sure that you set out a clear argument in your introduction and continue to develop this in t...
CM
Answered by Charlotte M. • History tutor
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"Guys like us, that work on ranches, are the loneliest guys in the world. They got no family. They don’t belong no place. . . " How true is this statement with regards to the relationships presented in Steinbeck's 'Of Mice and Men'

A question with a good degree of scope to discuss the dependent, almost symbiotic relationship between Lenny and George. The environment is one which perpetuates lonliness - the Great Depression, a focus on ...
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Answered by Freya M. • English tutor
11624 Views

How do you translate an ablative absolute?

So ablative absolutes can seem scary because they sit there apart from the rest of the sentence, but they're actually super easy! Translating them isn't difficult at all. They can be translated in 3 differen...
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Answered by Mabel W. • Latin tutor
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